<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'
import { ref } from 'vue'
const categorys = ref([])
//声明一个异步的函数
import {ArticleCategoryListService, articleCategoryAddService, articleCategoryUpdateService, articleCategoryDeleteService} from '@/api/article.js'
const articleCategoryList = async() => {
    let result = await ArticleCategoryListService();
    categorys.value = result.data
}
articleCategoryList()

//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
    categoryName: '',
    categoryAlias: ''
})


//添加分类表单校验
const rules = {
    categoryName: [
        { required: true, message: '请输入分类名称', trigger: 'blur' },
    ],
    categoryAlias: [
        { required: true, message: '请输入分类别名', trigger: 'blur' },
    ]
}

import {ElMessage, ElMessageBox} from 'element-plus'
//调用接口添加表单
const addCategory = async () => {
    // 调用接口
   let result =  await articleCategoryAddService(categoryModel.value);
   ElMessage.success(result.message ? result.message : '添加成功')
   //调用 获取所有文章分类的函数
   articleCategoryList(); // 列表刷新
   dialogVisible.value = false;
}

//定义弹窗标题的数据模型 控制标题的展示
let title = ref('')

//展示编辑弹窗
const showDialog = (row) => {
    dialogVisible.value = true; 
    title.value = '编辑分类'
    //数据拷贝
    categoryModel.value.categoryName = row.categoryName
    categoryModel.value.categoryAlias = row.categoryAlias
    categoryModel.value.id = row.id
}

//修改 更新文章数据的
const updateCategory = async() => {
     //调用接口
     let result = await articleCategoryUpdateService(categoryModel.value)
     ElMessage.success(result.msg ? result.msg : '修改成功')
    articleCategoryList(); // 列表刷新
   dialogVisible.value = false;

}
//清空模型的
const clearData = () => {
    categoryModel.value.categoryName = ""
   categoryModel.value.categoryAlias = "" // 一定是先 . value 之后 在进行操作
}

//删除模块
const deleteCategory = (row) => {
    //提示用户 是否删除
    
     ElMessageBox.confirm(
    '确认要删除该分类信息吗?',
    '温馨提示',
    {
      confirmButtonText: '确认',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
    .then(async() => {
        //调用接口
        const result = await articleCategoryDeleteService(row.id)
      ElMessage({
        //调用接口
        type: 'success',
        message: '删除成功',
      })
      //刷新列表
      articleCategoryList();
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '用户取消了删除',
      })
    })

}
</script>


<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章分类</span>
                <div class="extra">
                    <el-button type="primary" @click="dialogVisible = true; title = '添加分类'; clearData()">添加分类</el-button>
                </div>
            </div>
        </template>
        <el-table :data="categorys" style="width: 100%">
            <el-table-column label="序号" width="100" type="index"> </el-table-column>
            <el-table-column label="分类名称" prop="categoryName"></el-table-column>
            <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
        <!-- 添加分类弹窗 -->
        <el-dialog v-model="dialogVisible" :title="title" width="30%">
    <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
        <el-form-item label="分类名称" prop="categoryName">
            <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="categoryAlias">
            <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
        </el-form-item>
    </el-form>
    <template #footer>
        <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取消</el-button>
            <el-button type="primary"  @click="title == '添加分类' ? addCategory() : updateCategory()"> 确认 </el-button>
        </span>
    </template>
</el-dialog>
    </el-card>
</template>

<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
</style>